Friday

October 24, 2014

October 24, 2014

Posted by **Henry P** on Sunday, May 27, 2012 at 4:35pm.

a) What is the diameter of the circle?

b) What is its circumference?

- Math -
**bobpursley**, Sunday, May 27, 2012 at 4:58pmarea= PI (4x-5)^2

but area= PI r^2

so r= 4x-5

diameter= 2*r

circumference= 2PI*r

**Answer this Question**

**Related Questions**

math - I'm asked to find the circumference of a circle to the nearest tenth and ...

math - The number of square units in the area of circle P is equal to the number...

summer math hw - one circle has a diameter of 10 inches. a second circle has a ...

math - The circumference of a circle varies directly from its diameter. If the ...

Circumference and Area of Circles - can someone help me with these:Find the ...

Math - Jason drew two circles. the diameter of the larger circle is twice the ...

8th grade math - circle A has a raduis that is twice the length og the raduis of...

math - A circle has an area of 25 pi cm^2.If a circle is drawn within that ...

Physics - I have to design a laboratory activity to answer the question, "What ...

MATH HELP PLEASE - You are given two different circles. The diameter of the ...